Cylindrical valve



P 1951 E. c. HARTLEY 2,566,835

CYLINDRICAL VALVE Filed Feb. 18, 1944 J] 1 3 6? ImmeZ'ECJhrZhy.

Patented Sept. 4, 1951 CYLINDRICAL VALVE Emmett C. Hartley, Cleveland, Ohio, assignor to The Parker Appliance Company, Cleveland,

Ohio, a corporation of Ohio Application February 18, 1944, Serial No. 522,894

' 2 Claims. (01. 251-402) 1 .The invention relates to new and useful improvements in a valve assembly of the type wherein the ports of a valve casing are controlled by a valve rotor.

An object of the invention is to provide a valve of the above type wherein the rotor is .divided into segments of a cylinder, the outer faces of which conform to and make liquid-tight contact with the cylindrical surface of the chamber within the valve casing, and wherein said segments are pressed into contact with said wall by yielding means disposed between the segments, and wherein said rotor segments are turned by operating lugs engaging said segments adjacent the cylindrical wall of the casing and in a line at right angles to a plane passing between said segments.

A further object of the invention is to provide a valve rotor of the above type wherein the yielding means pressing the segments into contact with the casing seals the space between said segments.

, A still further object of the invention is to provide a valve of the above type wherein the stem is turned by a handle member and wherein yielding members carried by the cap in which the stem is mounted operate on said handle member for yieldingly holding the valve rotor in predetermined set positions and for positively limiting the turning movement of the valve rotor.

These and other objects will in part be obvious and will in part be hereinafter more fully described.

In the drawings which show by way of illustration-one embodiment of the invention.

Figure 1 is a vertical sectional view through a valve assembly embodying the improvements.

Figure 2 is a sectional view through the valve casing on the line 2-2 of Figure 1 showing the valve rotor in off position.

Figure 3 is a view showing more or less diagrammatically the connection of the lugs to the valve rotor for the turning of the same.

Figure 4 is a bottom plan view of the handle detached from the valve stem.

Figure 5 is a view similar to Figure 3 but showing a modified form of means for pressing the rotor segments into contact with the valve casing.

The improved valve assembly includes a valve casing l which is provided with a cylindrical chamber 2 which extends all the way through the valve casing. The valve casing is provided with threaded extensions 3 and 4 respectively. The extension 3 is provided with a port 5 leading to the valve chamber and the extension 4 is pro-- vided with a port 6 leading to the valve chamber. The casing and extension are of the usual construction and will not be described in detail. The cylindrical chamber 2 extends all the way through the valve casing from the lower side thereof to the upper side as viewed in Figure 1. The lower end of this valve chamber is closed by a closure plate 1 which is secured to the valve casing by suitable screws. There are also screws passing through this closure plate into the casing, which screws are indicated at B, 8. The upper side of the cylindrical chamber is closed by a cap 9 which is secured to the casing in any well known way.

Mounted in the valve chamber is a valve rotor which is formed of two segments of a cylinder. One of the segments is indicated at Ill and the other at H. The outer face of each segment is cylindrical and said cylindrical surface of the segments conforms tothe cylindrical surface of the chamber 2 in the valve casing. The segments are spaced from each other anddisposed in the space between the segments are rubber slugs l2 and IS. The rotor segment II is provided with a recess [4 and the rotor segment [0 is provided with a recess I5. These recesses l4 and I5 form the passage through the rotor which is moved by the turning of the rotor into and out of alignment with the ports 5 and 5.

These rubber slugs placed between the segments are dimensioned so that they are tensioned when the rotors are placed in the cylindrical chamber so as to force said segments into fluid-tight contact with the walls of the chamber. These rubber slugs extend all the way from one end of the passage through the rotor to the other end thereof, so that when said passage in the rotor is brought into alignment with the ports 5 and ii the slugs serve as a liquid seal to prevent the liquid from passing in between the segments and depositing gravel and the like therebctween which will interfere with their operation. There are the usual seals between the bottom plate I and the casing and also between the cap and the casing.

The driver I6 for the rotor is in the form of a stem, said. stem extending through the cap 9 and is mounted for free rotation therein. A gasket ll forms a seal between the stem and the cap. This stem [6 passes all the way through the cap and carries at its inner end. radially projectingarms [8 and IS. The arm [8 is provided with a lug 20 and the arm I9 is provided with a lug 2|. The rotor segment I0 is provided with a groove or recess 22 and the rotor segment II has a similar groove or recess 23. These grooves 22 and 23 are in alignment and they extend diametrically across the rotor in a direction at right angles to a plane passing between the segments ments, however, are free to move radially of the cylindrical chamber so far as the conneci iqrroiv the lugs is concerned. These lugs are disposed adjacent the walls of the cy1indrical'charhber and 7 therefore the turning force"'of-the-lugs is' 'applijed at the outer extremity of each rotor segment and" substantially in a direction parallel .yvith the adjacent inner faces of the segments. This reduces the pressure of the lugs necessary to tur rr'the'ro tor segments and minimizes the tendency of the edges of said segments to dig into the w'allof the casing-during rotation. L a l. ,7

Attached. to the stem '16. is aiturning handle which is provided with a-ba'se 24 havingan irregular opening 25 rtherethrough :which. engages a similar irregular shaping of the end of the valve stem l6.. This attaches 'the .handleto the valve stem so. that:anyiturningemovement of the han: dle will be imparted to" the .stem- The handle is secured to the valve stem by meansofa cap plate 28 and a holding screw 29.which is threaded'onto thestem. jThisb'ase 224 is substantially the same dimension as the'upper. endof thecap S. The cap 9 is provided with a recess 30 which extendsjn a direction parallelwith .the'stem; .Mounte'dflin the recess is a 'springgy3'l which engages a b'all'3-2 and yieldingly forcesthecballxintocontact with the .underfaceiof the base-.24.. Said underfaceof the base. member isnprovidedawith two 'spaced recesses .33 and 34s, Theserecessesare disposed so thatwhen the ballengages one of theirecesses the valve rotorwillbe'positioned'so that the passage therethroughisin alignment with the ports 5 andfi and, when thex'balliengagesthe other re- .cess, then .the passage through the-rotor will be disposed substantially midway between the; ports and theportswill be closed, This ball. and the recess with whichit ,cooperateslpjositionsthe valve rotor in on and foffi;positions. V V M The cap 9 is provided with a recess 35 which is located.diametrica11y .opposite theprecess 30. In this'recess 3571s a springtfimand a sleeve carrying a stop lug .3|'. Thegunderfaceof the; handle is cutaway at 3.8 soas to form a shoulder 39.. The

stop lug is yieldinglyupresse'd in, contact with the base of the, handlelin the region of the recess '38 and when thehandle is turned-in oneldirection t is s lue will onta twithl s der: and lim i rt er movem n th of, L w s wh n. itis u ne in the. oppo te d rect on th sto luey il onta tesain Mththeshwlde a another; point andprevent any further turning oi smart thera ie ien. v.

ameness ba l d mete n ar fi stop lug as noted are located diametrically -opposite each other relative to the axis on which the These "friembefsai'e springpr'essed antially parallelwith the'aiiis ti e the pressoifqn the hans'oljely a force t nouns to move 1 u rially andallcockingor'tw'is't li' Y Ea L S'rarefavoidfi g- 'Thef'handle has a laterally proj e ting poi'tioh flu which" m'ayjbef grasped"by the a d for the oihas 11 extension 4 suitable indicating marks on the cap of the valve casing so as to visibly indicate whether the valve is in on or ofi position. 7

In the modified form shown in Figure 5, th

5 rotor segments and the means for turning said segments are the same as described in connection with Figure l. The means for yieldingly pressing the segments into 1 liquid tight contact with the valve casing Has been changedslightly.

10 Instead of the rubber slugs there are recesses 40 merits of a' cylinder tlief'ou er f w 32 and 43 formed in the segments Ill and II "and a spring 64 is disposed in the recess and exerts a pressure which tends to separate the 's'eg ens "Iherefare preferably four of these 15 p gs si'milarlyxmounted and another one is indicatedat in Figure 5. These springs tend to separate the-segments and force the segments into liquid-tight contact with the inner cylindrical'surface of the valve casing. 0 While the valve casing has been shown as having two ports and the rotor a "single *iiort for 'clirectly connecting thesama it will be derstoodthat witha slight modifi cati'on bi' the passage through the rotor, additional ports may be provided in the "valve casing and-said ports interconnected or closed-"by t'he =-turhingfof the valve rotor. "For a two way conne'ction, the" "r"- rangm ntof the ports described jiab ove -is prferred' as it provides adirect tli'roughcon ection from one port to another *with -little -=p'ie'ssui-e loss. I 1mg obvious that fihafiythang" 'ti'ie retans of I construction can be ina'de vt ithofit 'd" parting from the spirit of fthe invention as st= forth in the appended'claims; r

I 1. A valve assembly comprisin having a" cylindri lcliainberfa said "chamberfisaid rotor s onform to the cylindricahsiiritEe *6f the valve casing and the inner f aces of which afeiiib'fd and substantially arailel' with 'a'ch othrirum b'r s'liigsdi spos'e'd in the merits and'fillingthef'sam being tensio'riedso as to p sssa'iasegmentstr therotorintoffiuid t ht e ll ofthevalvecasing; l a va ve ste e d eet f e i head carried by said tvis'n'san sa i tor esm lt h ll Q l posed diametrically of the rotor and at ght angles to the inner faces of saidgsegments, said crosshead havin depending lugs at the outer ends thereof engaging said grooves ad j acenvthe of equal length, each se giiient" Having a Q- mental recess "extending-across the" illflli fice.

thereof and forming a passage aaapted to be moved into an Oht" Of- 3; -1gfilfi e'l lt"with iadl'tsfin the valve casin yieldirig disposec be- 5 therethroug-h,a*valve operatin tfi' 5 through said cap opening and having laterally projecting portions at the lower end thereof hearing against the inner face of the cap, the end portions of the segments of the rotor adjacent the laterally projecting portions of the stem having aligned grooves disposed diametrically of the rotor and at right angles to the inner faces of the segments, said projecting portionsof the stem having means for engaging said grooves in both segments for turning said segments, said rotor segments being free to move radially of the rotor on said turning means in a direction at right angles to the inner faces of said rotor segments, said turning means on the stem projecting portions also serving as a guide to pre- ,vent angular shifting of one rotor segment with respect to the other when the segments are pressed into contact with the cylindrical wall of said chamber by said yielding means.

EMMETT C. HARTLEY.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 21,366 Robinson Aug. 31, 1858 1,024,884 Fitts Apr. 30, 1912 1,183,012 Kunzer May 16, 1916 1,578,383 Bayles Mar. 30, 1926 1,760,951 Manifold June 3, 1930 1,840,498 Fi'oussard Jan. 12, 1932 1,949,191 Smolensky Feb. 27, 1934 2,060,256 Smith Nov. 10, 1935 2,274,731 Parker Mar. 3, 1942 2,282,455 Church May 12, 1942 2,336,027 Milliken Dec. 7, 1943 FOREIGN PATENTS Number Country Date 192,433 Germany Dec. 12, 1907 698,065 France Nov. 17, 1930 

